Truck starts fine even when cold out and idles like new. However when given any fuel it has a "miss" at low and high rpm. At high rpm it's worse. It sounds like a bad injector but with a good start and smooth idle I'm not convinced that's the issue. It has enough power to drive but hardly enough to pull any kind of heavy load. It's slow to spool and has almost no bottom end power. what do y'all think.

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